View source for CCG/Modelling: Level of Detail Mesh Reduction

==Level of Detail Mesh Reduction==


===General Description===

Level of Detail (or `LOD') is a technique used for asset mesh reduction. Trainz uses a different mesh dependant on the viewing distance. 

This concept is different from the previous "progressive mesh" (.pm) reduction as used by UTC. That is, instead of gradually reducing the polycount of a single mesh you can now have several versions of the same asset, each at different polycounts and texture levels. 

Assets with LOD reduction must comprise of `indexed meshes' or .im files only (exported from gmax or 3dsmax). No .pm files are used in LOD.

===The remaining information for this page===
is on the [[LM.txt file]] page.



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